It took me years to understand that it was precisely this sort of thing that got books knocked out of my hands, got me shoved into walls and had me branded as a fag. Back then, I couldn't understand why calling my tormenters a festering clot of squamous tubercules didn't help. At all.

I still have my Texas Instruments SR-11 calculator I bought in 1973. With duct tape it got me through college. Then my first lab gave me a HP 12-C. Still have that in a drawer too.

My calculator I have in front of me is a SHARP Scientific Calculator EL-5150 that I bought in the 80s. Still love it. It still has slugging percentage formulas in it from 1986. I can't remember how to program it but it has never forgotten my equations.

But boy, I would not make a museum out of them and if I threw them in the trash today I think replacements are what, about 8 bucks?

I had a pretty decent Casio scientific calculator (no graphing, though), but when the battery died, I never replaced it. It ended up being used as a shim, beneath an empty isoptopyl bottle, which in combination kept my old cable modem from tearing loose from sticky-backed velcro which attached it to the underside of my desk cabinet. Geez, I kept that set-up for, like, 5 years until trading in the old modem for a newer, smaller one earlier this year.

Anymore, I just use PCalc for complex stuff, but I'd still rather have a physical unit.

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